condition	mean	min	max
4 h after light	4.67059	4.57297	4.77968
8 h after light	4.61211	4.59469	4.634580000000001
12 h after light	4.6363666666666665	4.533	4.7767800000000005
4 h after dark	4.5562700000000005	4.4423900000000005	4.61835
8 h after dark	4.62697	4.49343	4.69682
12 h after dark	4.652683333333333	4.59985	4.698919999999999